Manifold for regulating the flow of plastic to an extrusion die

Details Manifold for regulating the flow of plastic to an extrusion die Manifold for regulating the flow of plastic to an extrusion die

2005-12-06

2005-12-06

Del Sole, Joseph S. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S38200R, C425S382400

Reexamination Certificate

active

06971865

ABSTRACT:
A manifold is connected between an extruder and the associated die assembly to supply plastic flow to the die. The output from the extruder is split into multiple passages in which each manifold passage supplies plastic flow to an extrusion passage within the die assembly. An adjustable throttle valve is positioned within each manifold passage to regulate the flow volume through the manifold passage, thereby controlling the output of the die assembly.

REFERENCES:
patent: 5980226 (1999-11-01), Guillemette

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